Home / 9,310.80-12,848.76-5,118.96

Finding the Fourth Proportional to 9,310.80, 12,848.76 and 5,118.96

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Solution

The fourth proportional to 9,310.80, 12,848.76 and 5,118.96 is: 7,064.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,310.80 : 12,848.76 = 5,118.96 : x
  2. Step 2: Convert to fraction form
    9,310.80/12,848.76 = 5,118.96/x
  3. Step 3: Cross multiply
    9,310.80x = 12,848.76 × 5,118.96
  4. Step 4: Simplify right side
    9,310.80x = 65,772,288.49
  5. Step 5: Solve for x
    x = 65,772,288.49/9,310.80
  6. Step 6: Final answer
    x = 7,064.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.